Week 19-Computing area under N

My query is :

If in X~N(0,1), 0 is mean and 1 is S.D.

then, in one of the examples in the video, if X~Uniform [-1,1], why can we reale it to mean and S.D and why are we asked to find out the S.D ?

*reale is relate ……[Sorry spelling error from my end]

Hi @purvi, sorry but can you please post a screenshot or something so that we can have a better understanding of locating the question and your query.